Faithful gather outside the St. Francis Basilica during a papal mass in Assisi, Oct. 4, 2013.

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Pope Francis leads a mass outside the St. Francis Basilica as part of his pastoral visit in Assisi, Oct. 4, 2013.

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Pope Francis leaves S Damiano Sanctuary in Assisi, Oct. 4, 2013.

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Pope Francis arrives at the Archbishop's residence for a meeting with the poor, assisted by Caritas as part of his pastoral visit in Assisi, Oct. 4, 2013.

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Nuns watch as Pope Francis leaves the Archbishop's residence after a meeting with the poor, Oct. 4, 2013.

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Argentinian pilgrims wait for Pope Francis in Assisi, Oct. 4, 2013.

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Pope Francis talks with a nun as he visits the San Damiano monastery in Assisi, Oct. 4, 2013.

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Children wait for Pope Francis at the Caritas reception center in St. Mary of the Angels, near Assisi, Oct. 4, 2013.

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Pope Francis celebrates Mass in Assisi, Oct. 4, 2013.

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Pilgrims wait for Pope Francis in Assisi, Oct. 4, 2013.

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Pope Francis greets the faithful crowding the square next to St. Francis basilica in Assisi, Oct. 4, 2013.

Credit: Pietro Crocchioni/AP

Pope Francis greets the faithful crowding the square next to St. Francis basilica in Assisi, Oct. 4, 2013.

Credit: Pietro Crocchioni/AP

Members of the clergy attends a Mass celebrated by Pope Francis in Assisi, Oct. 4, 2013.

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Pope Francis sits in the Archbishop's residence as he meets with the poor during his one day trip to Assisi, Oct. 4, 2013.

The Pope delivered his speech in the "Stanza della Spoliazione," the famous room where St. Francis stripped off his rich clothes and gave them back to his father - from then on living a life of poverty dedicated to Christ.